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Review Summary
2015-04-27T20:00:00
Speed, duplex, network connectivity and laser all in a very affordable printer. Great value.
WisconsinCPA

2015-04-27T20:00:00
I have been using this product now for about three months with daily use and a high volume of printing. Its a great all round printer with nice crisp print. Because I do a high volume of printing, I find that this printer goes through ink cartridges much faster than the old LaserJet( using the smaller cartridge). I have recently purchased the X80 cartridge and hope it will last much longer. The only other comment I might have is that I do a mix of printing (i.e., letter and envelopes) and the envelope print feature is in the middle of the feed tray. The guides for envelope printing are of no use to me as they would be too time consuming to adjust. I have to guide the envelopes with my hand which I also did with the old LaserJet but on that one, the envelope printing was all the way to the left of the feed tray and a thumb against the envelope was all that was needed. Those are the minor "cons" that I would mention. Otherwise, this unit is beautifully fast and I would recommend it to anyone.
Cheryl72

2015-04-27T20:00:00
I would recommend this copier. It has made fast and clean copies. I have nothing negative to say about it.
kwhit62

2015-04-27T20:00:00
WOULD BE BETTER WITH WIRELESS PRINTING.
OKII

2014-06-24T20:00:00
Easy and quick to install and much quieter than my old laser jet printer.
LadyKate

2014-06-08T20:00:00
Works OK but who makes a printer in 2014 without either wireless capability or a USB port? Not happy.
Hypnos68134

2014-05-09T20:00:00
This is a no-frills laser printer of good quailty. It was very easy to setup and has an extra large paper tray. It meets my needs perfectly.
lakemel

2014-04-08T20:00:00
I ordered 3 printers for our department in order to avoid replacing the "community" printer. We all LOVE these printers. In fact, I am order more of them today for other departments. We have not had one jam, error, or anything else happen - they simply print... every time! Best choice, especially for the money.
Sheila2014

2014-03-18T20:00:00
Issues This printer had issues before it even had printed 2 pages out of it. We had one hooked up at one workstation and we could never get it to work. We then ordered another one and we are still having major issues with the Firmware !! Windows 7 is not compatible..
hpatterson

2014-03-07T19:00:00
All of our printers, scanners, fax machines are HP, but I was missing this Pro Printer--now I have a row of black boxes in a row on a cabinet in my office. This printer delivers everything that it promised: it is quick, efficient and easy to operate. It also offers front and back of page printing, which is something my earlier printer was missing. I'm just sorry I didn't buy it sooner. I also find it a jewel in terms of design; futuristic, simple, elegant.
pastadiva

2014-02-18T19:00:00
I've owned HP Printers since the early 90s and I've always been disappointed in the driver installation process (mostly that they don't have drivers ready for new operating system versions). Not so with this Printer! This has been by far the easiest and best setup ever. Works on all devices, Windows 7x, 8x machines and tablets, as well as all of our iDevices (iPhones/Pads). The wired/wireless setup worked flawlessly, and printing over the Internet was simple.
DrLaBrie

2014-01-20T19:00:00
This printer omit blank lines in my pdf documents. The same pdf documents printed fine to the HP P2055dn printers. The original excel documents also printed fine to this M401dne printer. Unable to reach HP support (online and via phone) for help.
TmdnM

2014-01-11T19:00:00
I ordered the Laserjet 400 (M401dne to be precise) to replace my old HP Laserjet 2420 in my home office. My primary reason was the larger amount of on board memory. The old printer (32mb) was choking on large or complex PDF and JPG files (w/ complex background pattern or linework). The new printer (256mb) churns them out without hesitation. It seems like a perfect replacement for the old one. Roughly the same footprint, all the same features like knowing to ask for an envelope in the top feeder rather than just printing on regular paper. And it's much faster, and quieter than the old one. I have not had any of the problems that I read about in other reviews (hot paper, electrical spikes on wake up, etc) but I do have my equipment running through a good size backup power unit that supposedly 'cleans' power spikes. My printer connected to my iMac w/ OSX Lion flawlessly and it prints through Win7 running in a Parallels virtual machine. I'm very happy…..
klavenson

2013-12-01T19:00:00
It will print and do it very quickly and not any noises
skimouse

2013-11-14T19:00:00
I've bought two of these so far and i'm really pleased with the easy set-up and the amazingly fast output. I'm in a busy office and these are in constant use, so far no issues.
ironmac

2013-05-29T20:00:00
I replaced an old HP 2300 with this. It is much faster and quieter. It duplexes and has great functionality. Installation only took a few minutes. Very pleased!
CathyAMP

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Browse our FAQ
Automatic (standard)
HP PCL 5e, HP PCL 6, HP Postscript Level 3 emulation, direct PDF (v 1.7) printing
Black (normal, letter): Up to 35 ppm
First Page Out Black (letter, ready): As fast as 8 sec
Black (best): Up to 1200 x 1200 dpi
Black (normal): HP FastRes 1200
HP FastRes 1200, HP ProRes 1200, 600 dpi
Laser
HP ePrint, Apple AirPrint, HP Auto-On/Auto-Off, 2-line LCD backlit control panel, Gigabit networking, Automatic two-sided printing
HP ePrint, Apple AirPrint
Hi-Speed USB 2.0
Ethernet 10/100/1000T network
Via built-in 10/100/1000T Ethernet network port
800 MHz
Maximum/Standard: 256MB
Monthly: Up to 50000 pages
Up to 750 to 3000 pages
50-sheet multipurpose tray 1, 250-sheet input tray 2, automatic duplexer for two-sided printing
Input Capacity: Up to 300 sheets, Up to 10 envelopes
Output Capacity: Up to 150 sheets, Up to 10 envelopes, Up to 75 sheets transparencies
Paper (plain, Green mode, light, heavy, bond, color, letterhead, preprinted, prepunched, recycled, rough)
Envelopes
Labels
Transparencies
Cardstock
Tray 1: 16 to 43 lb (60 to 163 g/m2 ) straight through paper path for special media
Tray 2: optional 500-sheet tray 3: 16 to 32 lb (60 to 120 g/m2)
Multipurpose tray: 3x5 to 8.5x14" (76x127 to 216x356mm)
Tray 2 and optional 500-sheet-tray 3: 4.1x5.8 to 8.5x14" (105x148 to 216x356mm)
Full software installs supported on: Microsoft Windows 7 32-bit and 64-bit
Windows Vista 32-bit and 64-bit
Windows XP 32-bit (SP2 or higher)
Driver only installs supported on: Microsoft Windows Server 2008 32-bit and 64-bit
Windows Server 2003 32-bit (SP3 or higher)
Mac OS X v 10.5, v 10.6, v 10.7; Linpus Linux: 9.4, 9.5; Red Hat
Enterprise Linux: 5.0, 6.0; OpenSuSE: 11.3, 11.4; Fedora: 14, 15
Ubuntu: 10.04, 10.10, 11.04; Debian: 5.0, 6.0 and HPUX11i
PC: Microsoft Windows 7 (32-bit/64-bit)
Windows Vista (32-bit/64-bit): 1 GHz 32-bit (x86) or 64-bit (x64) processor, 1 GB RAM (32-bit) or 2 GB RAM (64-bit), 400 MB hard disk space, CD-ROM/DVD-ROM or Internet, USB or Network port
Windows XP32 SP2 (32-bit): Pentium233 MHz processor, 512 MB RAM, 400 MB hard disk space, CD-ROM/DVD-ROM or Internet, USB or Network port
Mac: Mac OS X v 10.5, v 10.6, v 10.7; PowerPC G4, G5, or Intel Core Processor; 500 MB hard disk; CD-ROM/DVD-ROM or Internet; USB or Network
84 scalable TrueType fonts
2-line backlit LCD graphic display; buttons (OK, Menu, Cancel, Back)
LED indicator lights (Attention, Ready)
2-line LCD (text and graphics)
Power supply type: Built-in power supply
Power requirements:
Input voltage: 110 to 127 VAC (+/- 10%), 50/60 Hz (+/- 2 Hz)
Power Consumption: 570 watts (Printing), 7.3 watts (Ready), 6.2 watts (Sleep), 0.1 watts (Off)
Typical Electricity Consumption(TEC) Number: 2.08 kWh/Week
Acoustic Power Emissions: 6.4 B(A)
Acoustic Power Emissions (Ready): Inaudible
Acoustic Pressure Emissions Bystander (Active, Printing): 51 dB(A)
Acoustic Pressure Emissions Bystander (Ready): Inaudible
59 to 90.5deg. F (15 to 32.5deg. C)
63.5 to 77deg. F (17.5 to 25deg. C)
-4 to 104deg. F (-20 to 40deg. C)
10 to 90% RH
10 to 80% RH
30 to 70% RH
Password-protected network embedded Web server; enable/disable Network protocols
SNMPv2 community password change; SNMPv3
802.1x
SSL cert management
Firewall
Access Control List
Minimum: 14.35x14.49x10.53" / 364.5x368.05x267.5mm
Maximum: 364.5x633.5x308.4mm / 14.35x24.94x12.14" (multipurpose tray and foldup cover extended, tray 2 extended to legal-size)
23.5lbs / 10.65kg
887111463067






Great value
By WisconsinCPA
Speed, duplex, network connectivity and laser all in a very affordable printer. Great value.
Easy to install and quiet
By LadyKate
Easy and quick to install and much quieter than my old laser jet printer.
Optimize your day-to-day workflow with HP LaserJet Pro 400 M401dne Printer that shares the printing resources on an Ethernet network and takes advantage of fast print speeds. Be productive and save paper using automatic two-sided printing. It prints professional-quality documents at a great value, with outstanding networking and paper-saving features. It produces professional-quality business prints with bold, crisp text and sharp images. Set up this printer quickly in your IT environment, using the HP Universal Print Driver. Receive consistent results with Original HP LaserJet toner cartridges and reorder with HP SureSupply. Save IT time and costs by centralizing printer management with HP Web Jetadmin. Depend on a printer with up to 3000-page recommended monthly page volume - the ideal fit for reliable printing.